Improper input validation in Windows and Windows Server - CVE-2017-11763

 

Improper input validation in Windows and Windows Server - CVE-2017-11763

Published: October 10, 2017 / Updated: October 10, 2017


Vulnerability identifier: #VU8761
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2017-11763
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Microsoft
Affected software:
Windows
Windows Server

Detailed vulnerability description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to input validation error the Windows font library improperly handles specially crafted embedded fonts. A remote attacker can trick the victim into visiting a specially crafted website and execute arbitrary code with privileges of the current user.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

How to mitigate CVE-2017-11763

Install updates from vendor's website.

Sources